May 2026 - Page 10 of 223

Common Problems 116022

Ubuntu 26.04 LTS – system time drift breaks TLS and auth flows – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 30 May 2026 Affected versions: Ubuntu 26.04 LTS 📖 ~1 min read Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance Criteria Rollback Plan Prevention & Hardening Related Errors […]

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Debian 13 — ace — vulnerability — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — ace — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 30 May 2026 Affected versions: Debian 13 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2014-6311 Upstream summary: generate_doygen.pl in ace before 6.2.7+dfsg-2 creates predictable file names in the /tmp directory which allows attackers to gain elevated privileges. Table of contents Symptom & Impact […]

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openSUSE Tumbleweed — librec1 — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — librec1 — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE security advisory (see also SUSE bugzilla) Related CVEs: CVE-2025-65409 CVE-2021-46019 Upstream summary: A divide-by-zero in the encryption/decryption routines of GNU Recutils v1.9 allows attackers to cause a Denial of Service (DoS) via inputting […]

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Debian 13 — cppcheck — vulnerability — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — cppcheck — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 30 May 2026 Affected versions: Debian 13 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2023-39070 Upstream summary: An issue in Cppcheck 2.12 dev allows a local attacker to execute arbitrary code via the removeContradiction parameter in token.cpp:1934. Table of contents Symptom & Impact […]

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Debian 11 — ruby-icalendar — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — ruby-icalendar — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 30 May 2026 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2026-33635 Upstream summary: iCalendar is a Ruby library for dealing with iCalendar files in the iCalendar format defined by RFC-5545. Starting in version 2.0.0 and prior to version […]

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Red Hat Enterprise Linux 10 — php — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Red Hat Enterprise Linux 10

Red Hat Enterprise Linux 10 — php — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Red Hat Enterprise Linux 10 📖 ~4 min read  •  Source: Red Hat advisory RHSA RHSA-2026:1628 Related CVEs: CVE-2025-14177 CVE-2025-14178 CVE-2025-14180 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution […]

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Debian 12 — pam-pkcs11 — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — pam-pkcs11 — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 30 May 2026 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2025-24031 CVE-2025-24032 CVE-2025-24531 Upstream summary: PAM-PKCS#11 is a Linux-PAM login module that allows a X.509 certificate based user login. In versions 0.6.12 and prior, the pam_pkcs11 module segfaults […]

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Debian 11 — lmdb — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — lmdb — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 30 May 2026 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2026-22185 Upstream summary: OpenLDAP Lightning Memory-Mapped Database (LMDB) versions up to and including 0.9.14, prior to commit 8e1fda8, contain a heap buffer underflow in the readline() function of […]

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Debian 13 — seahorse — vulnerability — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — seahorse — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 30 May 2026 Affected versions: Debian 13 (trixie) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2008-7320 Upstream summary: GNOME Seahorse through 3.30 allows physically proximate attackers to read plaintext passwords by using the quickAllow dialog at an unattended workstation, if the keyring is […]

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